This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 15 Statistics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which statement is true?A. Estimation is a procedure where a numerical value or values are assigned to the population parameter based on the information collected from a sample.B. Estimation is a procedure where numerical value or values are assigned to the sample statistic based on the information collected from a sample. A) Statement A only. B) Statement B only. C) Statements A and B. D) Neither A nor B. Show Answer Correct Answer: A) Statement A only. 2. What is the formula for calculating the mode of a set of numbers? A) There is no specific formula for calculating the mode. It is determined by finding the value with the highest frequency in the set. B) The mode is calculated by finding the average of all the numbers in the set. C) The mode is calculated by adding all the numbers in the set and dividing by the total count. D) The mode is determined by finding the value with the lowest frequency in the set. Show Answer Correct Answer: A) There is no specific formula for calculating the mode. It is determined by finding the value with the highest frequency in the set. 3. Which of the following is an example of a continuous variable? A) Tons of concrete to complete a parking garage. B) Number of students in a statistics class. C) Zip codes of shoppers. D) Rankings of baseball teams in a league. Show Answer Correct Answer: D) Rankings of baseball teams in a league. 4. Find the median for the following data set.7, 1, 1, 7, 1, 4, 1 A) 4. B) 5. C) 7. D) 1. Show Answer Correct Answer: D) 1. 5. Which of the following word is statistics not derived? A) Status. B) Statistik. C) Stat. D) Statista. Show Answer Correct Answer: C) Stat. 6. Anna got a score of 55 which is equivalent to 70th percentile in a Mathematics test. Which of the following is NOT true? A) She scored above 70% of her classmates. B) Thirty percent of the class got scores of 55 and above. C) If the passing mark is the first quartile, she passed the test. D) Her score is below 5th decile. Show Answer Correct Answer: D) Her score is below 5th decile. 7. The median of the data:4, 6, 8, 9, 11 is A) 9. B) 11. C) 8. D) 6. Show Answer Correct Answer: C) 8. 8. The median of the data 13, 15, 16, 17, 19, 20 is: A) 33/2. B) 35/2. C) 31/2. D) 30/2. Show Answer Correct Answer: A) 33/2. 9. What type of graph is used to display bivariate data? A) Histogram. B) Scatter plot. C) Pie chart. D) Box plot. Show Answer Correct Answer: B) Scatter plot. 10. It is the results of data analysis, its interpretation and presentation. A) Scientific Method. B) Parameter. C) Statistics. D) Population. Show Answer Correct Answer: C) Statistics. 11. What is the type of variable?The color of the baseball cap worn by each of 20 students. A) Qualitative. B) Quantitative. C) All the above. D) None of the above. Show Answer Correct Answer: A) Qualitative. 12. What part of the graph, represents the frequency or individually separate and distinct values? A) Chart. B) Label. C) X-axis. D) Y-axis. Show Answer Correct Answer: D) Y-axis. 13. Which of the following is not considered method of collecting data A) Taking measurements. B) Mapping. C) Surveys. D) Observation. Show Answer Correct Answer: B) Mapping. 14. How does DNA store genetic information? A) Through the sequence of nucleotides. B) Through the structure of lipids. C) Through the sequence of amino acids. D) Through the structure of proteins. Show Answer Correct Answer: A) Through the sequence of nucleotides. 15. Katie earned 84, 92, 84, 75 and 70 on her first 5 tests. What is the minimum grade Katie needs to earn on the next test to have a mean of 84? A) 99. B) 84. C) 81. D) 95. Show Answer Correct Answer: A) 99. 16. The ..... should be used as a measure of location if the distribution is asymmetric and the variable is measured on an ordinal scale. A) Maxima. B) Mode. C) Mean. D) Median. Show Answer Correct Answer: D) Median. 17. Chosen at random, 580 customers at a car dealership are contacted and asked their opinions of the service they received.This is what type of sample? A) Convenience. B) Stratified. C) Simple random sample. D) Cluster. Show Answer Correct Answer: C) Simple random sample. 18. A constant can assume only A) More than One Value. B) Different values. C) One value. D) All possible values. Show Answer Correct Answer: C) One value. 19. Which of the following is the best model of a point? A) Button. B) Tip of a pentelpen. C) Mongo seed. D) Tip of a needle. Show Answer Correct Answer: D) Tip of a needle. 20. Based on the data provided, how many females have a low monthly income out of the sampled 200 people? A) 40. B) 100. C) 60. D) 200. Show Answer Correct Answer: B) 100. 21. How do you call the systematic method of collecting and measuring data gathered from different sources of information in order to provide answers to relevant questions? A) Secondary data. B) Data collection. C) Samples. D) Primary data. Show Answer Correct Answer: B) Data collection. 22. Teacher Reamie has just given a Mathematics exam and wants to calculate the 'range' of performance of her students. What must she do? A) Subtract the lowest score from the highest score. B) Find the score that occur more often. C) Plot scores. D) Identify the central score. Show Answer Correct Answer: A) Subtract the lowest score from the highest score. 23. Who is the father of Modern Statistics? A) Albert Einstein. B) Charles Darwin. C) Sir Ronald Aylmer Fisher. D) Isaac Newton. Show Answer Correct Answer: C) Sir Ronald Aylmer Fisher. 24. During math, what should you to do work out a problem? A) Figure it out in your head. B) Use your phone calculator. C) Guess. D) Use the paper and pencil provided, or a whiteboard and marker set. Show Answer Correct Answer: D) Use the paper and pencil provided, or a whiteboard and marker set. 25. I want to find out how many people in my school like a certain brand of soda, so I watch what all of my friends drink. This is an example of a(n) ..... (a) . A) A. Observational Study. B) Double Blind Study. C) Experiment. D) Randomized Trial. Show Answer Correct Answer: A) A. Observational Study. 26. Interview every 10th student who enters the school in the morning. A) Simple random. B) Voluntary response. C) Systematic. D) Convenience. Show Answer Correct Answer: C) Systematic. 27. What is the branch of Mathematics that involves collecting, organizing, analysing and interpreting data is ..... A) Geometry. B) Algebra. C) Statistics. D) Trigonometry. Show Answer Correct Answer: C) Statistics. 28. If the given class limits are:5-1415-2425-3435-44What is the class size or the "i" A) 5. B) 10. C) 15. D) None of the above. Show Answer Correct Answer: B) 10. 29. A level of measurement involves meaningful amounts of differences between data and has no absolute zero is called ..... A) Ratio. B) Nominal. C) Interval. D) Ordinal. Show Answer Correct Answer: C) Interval. 30. A group of subjects selected from a population is a ..... A) Portion. B) Data. C) Sample. D) Group. Show Answer Correct Answer: C) Sample. 31. What is the primary goal of homeostasis in the human body? A) To regulate body temperature only. B) To increase blood sugar levels. C) To maintain a stable internal environment. D) To decrease blood pressure. Show Answer Correct Answer: C) To maintain a stable internal environment. 32. What is the purpose of the "Look back" step in George Polya's Problem-Solving Framework? A) To ensure the result is correct and makes sense. B) To start a new problem. C) To avoid making mistakes. D) To memorize the solution. Show Answer Correct Answer: A) To ensure the result is correct and makes sense. 33. Which of the following is a measure of central tendency that is not affected by extreme values? A) Geometric mean. B) Mean. C) Maximum. D) Median. Show Answer Correct Answer: D) Median. 34. Which statistical instrument is best used in sectioning of students in school? A) Observation. B) Interview. C) Survey. D) Student's Records/School Form. Show Answer Correct Answer: D) Student's Records/School Form. 35. What is the focus of merchandising mathematics? A) Developing new software. B) Studying consumer behavior. C) Determining the quality and cost of materials. D) Analyzing market trends. Show Answer Correct Answer: C) Determining the quality and cost of materials. 36. Find the value of x in the equation 2x + 5 = 15. A) X = 3. B) X = 5. C) X = 7.5. D) X = 10. Show Answer Correct Answer: B) X = 5. 37. Calculate the mean of this set of numbers; 2, 2, 8, 5, 9, 2, 12, 5, 11, 10 A) 12. B) 5.6. C) 6.6. D) 6. Show Answer Correct Answer: C) 6.6. 38. Which of the following is an example of discrete data? A) Average daily temperature. B) Number of Facebook likes. C) Number of litters of milk in a gallon. D) Volts of electricity. Show Answer Correct Answer: B) Number of Facebook likes. 39. These are data generated by the researcher himself/herself. A) Primary. B) Qualitative. C) Secondary. D) Quantitative. Show Answer Correct Answer: A) Primary. 40. Given the data set, 5, 7, 8, 2, 1, 6 Determine the mode. A) 5. B) 2. C) 3. D) None of these. Show Answer Correct Answer: D) None of these. 41. In a survey, what does a 'sample' refer to? A) The survey results. B) A subset of the population. C) The entire population. D) The survey questions. Show Answer Correct Answer: B) A subset of the population. 42. If the radius of circle A is 3 cm long, how long is the diameter? A) 1.5 cm. B) 6 cm. C) 9 cm. D) 3 cm. Show Answer Correct Answer: B) 6 cm. 43. One of the given is not the feature of Statistics A) Collected by enumeration. B) Aggregate of Facts. C) Designing of Population. D) Affected by multiplicity of causes. Show Answer Correct Answer: C) Designing of Population. 44. Evaluate the expression 301+25*587/(872-256). A) 1, 684.5. B) 4, 684.5. C) 2, 684.5. D) 3, 684.5. Show Answer Correct Answer: C) 2, 684.5. 45. It is the average of a data set. A) Mode. B) Median. C) Mean. D) Rate. Show Answer Correct Answer: C) Mean. 46. What is the purpose of developing problem-solving strategies in the course? A) To help make sense of problems and solve them. B) To memorize historical dates. C) To learn different languages. D) To write creative stories. Show Answer Correct Answer: A) To help make sense of problems and solve them. 47. If 'P' is the simple correlation coefficient, the quantity $P^2$ A) Coefficient of determination. B) Coefficient of non-determination. C) Coefficient of alienation. D) None of the above. Show Answer Correct Answer: A) Coefficient of determination. 48. If a student has a Combined score of 55, what would their 'Class' be according to the given classification? A) Second. B) Fail. C) First. D) Distinction. Show Answer Correct Answer: A) Second. 49. The collection of elements under investigation is called ..... A) Population. B) Sample. C) Function. D) Elements. Show Answer Correct Answer: A) Population. 50. Tally method is a/an ..... way or method of counting items. A) Ancient. B) Modern. C) Classy. D) New. Show Answer Correct Answer: A) Ancient. 51. Rosario and Enrique are in the same mathematics class. On the first five tests, Rosario received scores of 78, 77, 64, 86, and 70. Enrique received scores of 90, 61, 79, 73, and 87. How much higher was Enrique's average than Rosario's average? A) 2 points. B) 4 points. C) 15 points. D) 3 points. Show Answer Correct Answer: D) 3 points. 52. Type of central tendency measures which divides data set into 100 equal parts A) Percentiles. B) Multiple pile of data. C) Deciles. D) Quartiles. Show Answer Correct Answer: A) Percentiles. 53. It is a subset of selected members A) Population. B) Sample. C) Qualitative Data. D) None of the above. Show Answer Correct Answer: B) Sample. 54. Which type of sample is chosen so that it will be easy for the researcher? A) Stratified Sample. B) Systematic Sample. C) Random Sample. D) Convenience Sample. Show Answer Correct Answer: D) Convenience Sample. 55. What is the first activity students are asked to do? A) Solve a problem on the board. B) Watch a video. C) Discuss the lesson objectives. D) Find the mode of given data. Show Answer Correct Answer: D) Find the mode of given data. 56. . If a coin is tossed 3 times, what is the probability that all three tosses come up heads? A) $\frac{1}{6}$. B) $\frac{3}{8}$. C) $\frac{1}{8}$. D) $\frac{1}{4}$. Show Answer Correct Answer: C) $\frac{1}{8}$. 57. To find the ..... you put all the numbers in order from least to greatest and then see which number you have the most of. A) Mean. B) Range. C) Median. D) Mode. Show Answer Correct Answer: D) Mode. 58. Which of the following is an example of an indirect method in collecting data? A) Interview. B) Observation. C) Conversation. D) Questionnaire. Show Answer Correct Answer: D) Questionnaire. 59. What do we call the gathering of information or data? A) Presentation. B) Interpretation. C) Analysis. D) Collection. Show Answer Correct Answer: D) Collection. 60. "What are the test scores for the last test?" is an example of a statistical question. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 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